# Sandbox.SoundHandle.OcclusionRadius

```csharp
float OcclusionRadius { get; set; }
```

> **Obsolete.** OcclusionRadius is no longer used by the simulation.

Legacy occlusion radius setting. No longer used by the simulation.

Declared in [Sandbox.SoundHandle](/api/Sandbox.SoundHandle).
Assembly: `Sandbox.Engine`.